nvme_get_log_page(2)
π nvme_get_log_page β bestie edition π
okay so this is a page from the libnvme API manual, section 2, and it's all about nvme_get_log_page. no cap, it's a lil function that goes and grabs you some log page data off your NVMe device. it's giving "let me pull up the receipts" energy fr fr π
β¨ NAME β¨
nvme_get_log_page β Get log page data π¦
like... literally. that's the whole job. it fetches log page data. iconic behavior honestly π
πΈ SYNOPSIS πΈ
int nvme_get_log_page (int fd , __u32 xfer_len , struct
nvme_get_log_args *args );
yes bestie, it returns an int, it takes an fd, an xfer_len, and a pointer to your args struct. that's the vibe. π
π ARGUMENTS π
fdβ the file descriptor of the nvme device. your lil doorway into the device, you gotta hand it over so it knows who it's talking to π₯xfer_lenβ the max log transfer size per request, which it uses to split the total. so if your log is huge, this is the chunk-size situation β it slices the whole transfer up into requests this big. very "eat the elephant one bite at a time" of it πargsβ astruct nvme_get_log_argsargument structure. all the actual details of what you want live in here, this is just the pointer to it π§
β RETURN β
so here's what you get back:
- the nvme command status if a response was received β peep
enum nvme_status_fieldfor what those statuses actually mean π - or
-1witherrnoset, if it didn't get a response. that's the "we didn't get a reply bestie, checkerrno" path π
ngl if you see-1, don't panic β just go checkerrno, it's literally telling you what happened. the flag is right there π
and that's the whole page, periodt πβ¨π¦πΈπ
this lil writeup came from the libnvme API manual, version/page dated July 2026, and the page itself is nvme_get_log_page(2). mwah, go forth and read those logs π«Άπ
π¦ where this page comes from
- ubuntu stonking: libnvme-dev 1.16.2-1build1 Β· LGPL-2.1-or-later
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash on : a language model's rewrite of the original, under its terms